Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2022 04:52
Static task
static1
Behavioral task
behavioral1
Sample
Pay-In Slip·pdf.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Pay-In Slip·pdf.exe
Resource
win10v2004-20220812-en
General
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Target
Pay-In Slip·pdf.exe
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Size
346KB
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MD5
8d4854f7d2c0efd244648435941eac95
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SHA1
e2985e3ecc1ba7dd2d81ac7dba214e01dccaa9f7
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SHA256
6605bf5c726be2c791f0e6611b9421443e4f655e0626fe8016f3dfcfea1db057
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SHA512
841b5b9241e95af117176c70f829d3f7a33b2f55da68d7270a06914f609560b19b18c67bafb40c18c161db572b11dea7f5e2919e65bfbbdb10f23ed2801200fd
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SSDEEP
6144:V/c/43AbmhXUQirdrt9ENYoTvGfKPGneudaKPvPSYn0Zn8f4lAFRJG3wDIMq2vd6:VR37XUTrdp9SYYOfKeneudb/SY2n8fet
Malware Config
Signatures
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Loads dropped DLL 2 IoCs
Processes:
Pay-In Slip·pdf.exepid process 4908 Pay-In Slip·pdf.exe 4908 Pay-In Slip·pdf.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 2 IoCs
Processes:
Pay-In Slip·pdf.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Antiantienzyme.Cur Pay-In Slip·pdf.exe File opened for modification C:\Windows\SysWOW64\Rosanilin\Forsigtighedsprincip\atropia\Guders.Trn Pay-In Slip·pdf.exe -
Drops file in Windows directory 1 IoCs
Processes:
Pay-In Slip·pdf.exedescription ioc process File opened for modification C:\Windows\Fonts\Resistensproblemet\Crossleted\Ansgtes\Ridderlfterne232.Tet Pay-In Slip·pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1692 4908 WerFault.exe Pay-In Slip·pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Pay-In Slip·pdf.exe"C:\Users\Admin\AppData\Local\Temp\Pay-In Slip·pdf.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 10602⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4908 -ip 49081⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\nseED06.tmp\Math.dllFilesize
171KB
MD5499788d1d4b70ea3499b6411ef5aca0c
SHA1db7274f0c3beea8a2ed7df7fe3006b1ec965d13c
SHA2566b6c63505ac093672cdc062ea23ea8fbb263204c9591c936dda896cba2c56504
SHA512c566e94acf0d0de820fb2e7661b721a6fd23c6c5fe7b551b48e80b3c24b0d8de379fa2c53a653858e69dd0a8f6b98bf68a6d7425342f1ade1602ddaa2310c549
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C:\Users\Admin\AppData\Local\Temp\nseED06.tmp\System.dllFilesize
12KB
MD56c38da8922cc37b4bbb77de4a63ad843
SHA14e0533fd11df8bddbd543ed58df7b6060d9f4631
SHA2561624d9ad8b2e2658af224691263f64388ba3a997efe80011889e3c35237ce4c1
SHA512ad0be3d7e57da9c304e9b9cac5341b6c76b157456ab44f5579d6c38c830a31c9c3e1e9a875b8f465243c607ea2ede6b0bb77237f17a70a4d4c78606e036c3430